package cn.usersmsg.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.usersmsg.biz.IUserBiz;
import cn.usersmsg.biz.UserBizIpml;

public class CheckUserName extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;

	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		doPost(req, resp);
	}
	protected void doPost(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		String username = req.getParameter("username");
		IUserBiz iub = new UserBizIpml();
		boolean b = iub.checkUser(username);
		PrintWriter out = resp.getWriter();
		if (b) {
			out.print("true");
		}else{
			out.print("false");
		}
	}

}
